object ScalaVarDemo01{
  def main(args: Array[String]): Unit ={
    var a: Int = 10
    var b: Int = 20
    b = 30 ;
    println("a="+a)
    println("b="+b)
    var age:Int = 10
    var sal:Double=11.2
    var name: String = "tom"
    var isPass:Boolean=true
    var score : Float= 99.99F
    println(s"$name 今年$age 岁了，薪资为$sal 绩效为$score 是否涨工资$isPass")
  }
}